DTC P0448 EVAP. Emission System-Vent Control Circuit Shorted: DTC Detecting Condition

DTC DETECTING CONDITION CHART

Item	Detecting Condition	Possible cause
DTC Strategy	Detects a short to battery on Vent Valve output circuit.	Poor Connection Short to battery in CCV circuit CCV PCM
Enable Conditions	No disabling Faults Present Engine Running 11V ≤ Ignition Voltage ≤ 16V Enable Time delay ≥ 0.5sec.
Threshold value	Short to battery?
Diagnosis Time	Continuous (More than 5sec.Test failure for every 10sec. tests)
MIL On Condition	2 Driving Cycles